Fluid-turbine.



M. A. ROSS.

FLUID TURBINB. APPLIUATION FILED JAN.20,1913.

1,065,316. Patented June 17,1913.

l l I u UNITED STATES PATENT oEEioE.

MARK A. ROSS, OF CHICAGO, 1LLINOIS, ASSIGNOR- OF ONE-HALF TO HARRY P.BAYLEY,

OF CI-IICAGG, ILLINOIS.

Specification of Letters Patent.

Patented June 17, 191 3.'

Application led January 20. 1913. Serial No. 743,006.

, sion of a ring carrying the buckets of the turbine wheel and separablysecuredto the turbine wheel whereby the buckets may readily be assembledindependently of the turbine wheel and may be readily removed andreplaced without the vnecessity of returning the body of the turbinewheel to the factory. y

In the preferred embodiment of the invention, the buckets are separatelymade and applied to the ring.4

My invention Willbe fully explained by reference to the accompanyingdrawing showing the preferred embodiment thereof and in which- Figure 1is a sectional view of sufficient l of a turbine to illustrate thenature of the invention; Fig. 2 is a sectional view on line 2 2 of Fig.1; Fig. 3 is a perspective view of a bucket; and Fig. 4 is a perspectiveview of the mounting ring with one bucket in position and a part brokenaway.

Like parts are indicated 'by similar characters of reference throughoutthe different figures.

The turbine structure-includes a suitably supported main frame 1 havinga stuffing box 2 through Which the shaft 3 of the turbine wheel or rotor4 projects. The frame 1 constitutes a portion of a housing for the Wheel1, a cap piece 5, which is secured to the frame 1, constituting acomplemental 'housing portion. The cap piece 5 supports `a bearing 6 forthe shaft 3. The rotor 4 carone portion to permit of the access of themounting portions of the buckets to the ring,v

thc buckets being'slipped along the ring as they are placed thereuponand projecting l laterally from the outer side of the ring so as to besubstantially within the circle of- 'quired without the necessity ofreturning the complete wheel to the factory. rlhe operating fluid, suchas steam, 'isadmitted to the turbine buckets through the primary nozzle11, steam finding access 'tfo this primary nozzle through the steam pipe1Q. The steam impinges upon the buckets to rotate the Wheel l in acounter-clockwise direction, as seen in Fig. 2, the steam upon leavingthe buckets being guided in its somewhat natural direction by means ofthe passage 13 in a secondary nozzle 14, the discharge end 15 ofthesecondary nozzle 14 being located to the rear of the primary nozzle inorder that the steam may b e permitted to have its somewhat naturaldirection of flow, the receiving end of the secondary nozzle passage 13being located in position immediately to receive the steam supplied bythe primary nozzle after it has passed from the buckets.

Those features involving other portions of the turbine beside thebucketI are claimed in my co-pending applications Serial No.

750,950 filed February 2G, 1913 and Sci-iat No. 750,851, filed.-February 26. 1913, pursuant to a 'requirement of division of the presentapplication. Vhile I have herein shown and particularly described thepreferred embodiment of my invention I' do not wish to be limited to theprecise details of construction shown as changes may readily be madewithout dcparting from the spirit' of the invention.

Having thus described my invention l claim as new and desire to secureby Letters Patent the following. V

1. A vturbine including a turbine wheel; buckets for the turbine wheel;and a mounting ring separably secured to the turbine wheel and to whichmounting v Aring the buckets are separably secured, said buckets Ahavingrearwardly extending ears embracing the ring.

2. A turbine including a rotor; turbine buckets; and a mounting ringscparably vit secured to the rotor at a face thereof that lies in theplane of rotation of the rotor and.

upon which mounting ring the buckets are separably secured to'one sideof the rotor, the mounting ring and buckets having interconnectionpermitting the buckets to be moved along the mounting ring, Whilesupportingly engaged therewith, for the purpose" of mounting anddemounting the buckets.

3. 'A turbine including a rotor; turbine buckets; and a mounting ringcarried by the rotor at a face thereof that lies in the plane ofrotation of the rotor and upon thev outer side of which mounting ringthe buckets are 'separably secured to one side of the rotor and ring,the .mounting l.ring .and buckets having interconnection permitting thebuckets to be moved along the mounting ring, while supportingly engagedtherewith, for the purpose of mounting and demounting the buckets.

e. A turbine including a rotor; turbine i buckets; and 'a mounting ringcarried by the rotor at a face thereof that lies in the plane ofrotation of the rotor and upon the outer side of which mounting ring thebuckets are separably secured to oneside lof the rotor and ring, saidbuckets having rearwardly extending ears embracing the ring.

5. Af turbine including. a rotor; turbine buckets; and a mounting ring'separably se' MARK A. ROSS.

Witnesses: l

' E; L. WHITE,

G. L. CRAGG.

Copies ,of this patent maybe obtained for vc cents each, by addressingthe Commissioner of Patents, Washington, D. C.

